Reading another book on Plant Based nutrition, and yet I still find conflicting information. It talks about a mostly vegan diet, and then they throw in some oil and other things that seem very contradictory. From some of the information I have read, we have not had this much processed oil really ever in our human existence. Well I can hear it now...but what about olive oil. That is a good question, because even that was not used by everyone, but yes olive oil has been arou